Question
A large corporation wants to determine whether or not the typing efficiency course given at a local college can increase the typing speed of their
A large corporation wants to determine whether or not the "typing efficiency" course given at a local college can increase the typing speed of their secretaries. A sample of 6 secretaries is selected, and they are send to take the course. The typing speeds of the secretaries in words per minute (WPM) are shown below.
Secretary WPM_Before WPM_After 1 65 68 2 60 62 3 61 66 4 63 66 5 64 67 6 65 67 State the null and alternative hypothesis to see if it can be concluded that taking the course will actually increase typing speeds of the secretaries?
A. H0:
After - 
Before
0 and Ha:
After - 
Before > 0
B. H0:
0 and Ha:
> 0
C. H0:
After - 
Before
0 and Ha:
After - 
Before
D. H0:
= 0 and Ha:
0
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M Finance
Authors: Marcia Cornett, Troy Adair, John Nofsinger
3rd Edition
0077861779, 978-0077861773
